9. A windmill has a radius of 8m and rotates once every 20 metres off the ground (i.e. the vertical distance from the ground to the centre of the wheel is 20 metres). a. Using COSINE, find an equation that represents the height of the tip of one of the blades ("h") as a function of time "t" in seconds. Given that the tip is initially at its highest point. Show all work to support your equation.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.6: Additional Trigonometric Graphs
Problem 60E
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9. A windmill has a radius of 8m and rotates once every 20 seconds. The centre of the wheel is 20
metres off the ground (i.e. the vertical distance from the ground to the centre of the wheel is 20
metres).
a. Using COSINE, find an equation that represents the height of the tip of one of the blades ("h")
as a function of time "t" in seconds. Given that the tip is initially at its highest point. Show all
work to support your equation.
Transcribed Image Text:9. A windmill has a radius of 8m and rotates once every 20 seconds. The centre of the wheel is 20 metres off the ground (i.e. the vertical distance from the ground to the centre of the wheel is 20 metres). a. Using COSINE, find an equation that represents the height of the tip of one of the blades ("h") as a function of time "t" in seconds. Given that the tip is initially at its highest point. Show all work to support your equation.
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